IP电话源程序，在Unix环境下编译通过，基于h.323协议。-source IP telephony, in the Unix environment compiler, based on the H.323 agreement.

sip服务器原代码,要求在linux或者unix下安装,可以用于建立自己的voip系统,基于sip协议

sip服务器原代码,要求在linux或者unix下安装,可以用于建立自己的voip系统,基于sip协议-OpenSIPS brings: robust and performant SIP (RFC3261) Registrar server, Location server, Proxy server and Redirect server small footprint- the binary file is small size, functionality can be stri

基于SIP协议的IP电话客户端 可以在windows linux unix平台下运行-IP telephony client based on SIP protocol can be running in windows linux unix platform